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jQuery: Performing synchronous AJAX requests
...its detrimental effects to the end user's experience. For more help, check https://xhr.spec.whatwg.org/.
Firefox:
Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user’s experience. For more help http://xhr.spec.whatwg.org/
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How to run cron job every 2 hours
...
0 */2 * * *
The answer is from https://crontab.guru/every-2-hours. It is interesting.
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Rails 3: I want to list all paths defined in my rails application
...outes, by going to http://localhost:3000/rails/info/routes. Official docs: https://guides.rubyonrails.org/routing.html#listing-existing-routes
Though, it may be late, But I love the error page which displays all the routes. I usually try to go at /routes (or some bogus) path directly from the bro...
Printing Lists as Tabular Data
...are some light and useful python packages for this purpose:
1. tabulate: https://pypi.python.org/pypi/tabulate
from tabulate import tabulate
print(tabulate([['Alice', 24], ['Bob', 19]], headers=['Name', 'Age']))
Name Age
------ -----
Alice 24
Bob 19
tabulate has many options...
Django URL Redirect
...L 'hola-home' from app named hola
# for more redirect's usage options: https://docs.djangoproject.com/en/2.1/topics/http/shortcuts/
path('', lambda request: redirect('hola/', permanent=True)),
path('hola/', include('hola.urls')),
]
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Partly JSON unmarshal into a map in Go
...ld be:
type sendMsg struct {
User string
Msg string
}
Example: https://play.golang.org/p/OrIjvqIsi4-
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How to step through Python code to help debug issues?
...se commands should be execute from **pdb
For in-depth knowledge, refer:-
https://pymotw.com/2/pdb/
https://pythonconquerstheuniverse.wordpress.com/2009/09/10/debugging-in-python/
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Best Way to read rss feed in .net Using C#
...rts a wider range of RSS versions, is easier to use and seems more robust. https://github.com/codehollow/FeedReader
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How can I switch to a tag/branch in hg?
I followed the documentation in https://developer.mozilla.org/En/Developer_Guide/Source_Code/Mercurial
and downloaded FF source with:
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How to count items in JSON object using command line?
...uppose it was in a property called records, like {"records":[...]}.
$ curl https://my-source-of-json.com/list | jq -r '.records' | jq length
2
$
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